EP0568313A3 - - Google Patents

Download PDF

Info

Publication number
EP0568313A3
EP0568313A3 EP19930303272 EP93303272A EP0568313A3 EP 0568313 A3 EP0568313 A3 EP 0568313A3 EP 19930303272 EP19930303272 EP 19930303272 EP 93303272 A EP93303272 A EP 93303272A EP 0568313 A3 EP0568313 A3 EP 0568313A3
Authority
EP
European Patent Office
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19930303272
Other versions
EP0568313A2 (de
Inventor
Shin Kawakami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon CMK Corp
Original Assignee
Nippon CMK Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP4140016A external-priority patent/JPH05315760A/ja
Priority claimed from JP4187547A external-priority patent/JPH05315750A/ja
Application filed by Nippon CMK Corp filed Critical Nippon CMK Corp
Publication of EP0568313A2 publication Critical patent/EP0568313A2/de
Publication of EP0568313A3 publication Critical patent/EP0568313A3/xx
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
    • H05K3/4038—Through-connections; Vertical interconnect access [VIA] connections
    • H05K3/4046—Through-connections; Vertical interconnect access [VIA] connections using auxiliary conductive elements, e.g. metallic spheres, eyelets, pieces of wire
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H01R12/523—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures by an interconnection through aligned holes in the boards or multilayer board
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3447—Lead-in-hole components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03—Conductive materials
    • H05K2201/0302—Properties and characteristics in general
    • H05K2201/0305—Solder used for other purposes than connections between PCB or components, e.g. for filling vias or for programmable patterns
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03—Conductive materials
    • H05K2201/0332—Structure of the conductor
    • H05K2201/0335—Layered conductors or foils
    • H05K2201/0355—Metal foils
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03—Conductive materials
    • H05K2201/0332—Structure of the conductor
    • H05K2201/0364—Conductor shape
    • H05K2201/0373—Conductors having a fine structure, e.g. providing a plurality of contact points with a structured tool
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
    • H05K2201/09845—Stepped hole, via, edge, bump or conductor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10227—Other objects, e.g. metallic pieces
    • H05K2201/10287—Metal wires as connectors or conductors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/06—Lamination
    • H05K2203/063—Lamination of preperforated insulating layer
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3457—Solder materials or compositions; Methods of application thereof
    • H05K3/3468—Applying molten solder
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
    • H05K3/4038—Through-connections; Vertical interconnect access [VIA] connections
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/46—Manufacturing multilayer circuits
    • H05K3/4602—Manufacturing multilayer circuits characterized by a special circuit board as base or central core whereon additional circuit layers are built or additional circuit boards are laminated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49126—Assembling bases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49147—Assembling terminal to base
    • Y10T29/49149—Assembling terminal to base by metal fusion bonding

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Production Of Multi-Layered Print Wiring Board (AREA)
EP93303272A 1992-05-01 1993-04-27 Verfahren zur Herstellung einer Mehrschichtleiterplatte Withdrawn EP0568313A2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP4140016A JPH05315760A (ja) 1992-05-01 1992-05-01 多層プリント配線板の製造方法
JP140016/92 1992-05-01
JP187547/92 1992-06-22
JP4187547A JPH05315750A (ja) 1992-06-22 1992-06-22 多層プリント配線板の製造方法

Publications (2)

Publication Number Publication Date
EP0568313A2 EP0568313A2 (de) 1993-11-03
EP0568313A3 true EP0568313A3 (de) 1994-04-20

Family

ID=26472668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93303272A Withdrawn EP0568313A2 (de) 1992-05-01 1993-04-27 Verfahren zur Herstellung einer Mehrschichtleiterplatte

Country Status (2)

Country Link
US (1) US5404637A (de)
EP (1) EP0568313A2 (de)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5813881A (en) 1994-02-08 1998-09-29 Prolinx Labs Corporation Programmable cable and cable adapter using fuses and antifuses
US5808351A (en) 1994-02-08 1998-09-15 Prolinx Labs Corporation Programmable/reprogramable structure using fuses and antifuses
US5834824A (en) 1994-02-08 1998-11-10 Prolinx Labs Corporation Use of conductive particles in a nonconductive body as an integrated circuit antifuse
US5917229A (en) 1994-02-08 1999-06-29 Prolinx Labs Corporation Programmable/reprogrammable printed circuit board using fuse and/or antifuse as interconnect
US5962815A (en) 1995-01-18 1999-10-05 Prolinx Labs Corporation Antifuse interconnect between two conducting layers of a printed circuit board
US5906042A (en) * 1995-10-04 1999-05-25 Prolinx Labs Corporation Method and structure to interconnect traces of two conductive layers in a printed circuit board
US5767575A (en) 1995-10-17 1998-06-16 Prolinx Labs Corporation Ball grid array structure and method for packaging an integrated circuit chip
US5872338A (en) 1996-04-10 1999-02-16 Prolinx Labs Corporation Multilayer board having insulating isolation rings
JP3633252B2 (ja) * 1997-01-10 2005-03-30 イビデン株式会社 プリント配線板及びその製造方法
KR100873835B1 (ko) * 1997-02-28 2008-12-15 이비덴 가부시키가이샤 프린트배선판 및 그 제조방법
US6228206B1 (en) * 1997-07-30 2001-05-08 Drug Delivery Technologies, Inc. Bonding agent composition containing conductive filler and method of bonding electrode to printed conductive trace with same
US6034427A (en) 1998-01-28 2000-03-07 Prolinx Labs Corporation Ball grid array structure and method for packaging an integrated circuit chip
US20100044079A1 (en) * 1999-08-27 2010-02-25 Lex Kosowsky Metal Deposition
US7446030B2 (en) * 1999-08-27 2008-11-04 Shocking Technologies, Inc. Methods for fabricating current-carrying structures using voltage switchable dielectric materials
US7695644B2 (en) 1999-08-27 2010-04-13 Shocking Technologies, Inc. Device applications for voltage switchable dielectric material having high aspect ratio particles
US20080035370A1 (en) * 1999-08-27 2008-02-14 Lex Kosowsky Device applications for voltage switchable dielectric material having conductive or semi-conductive organic material
AU6531600A (en) 1999-08-27 2001-03-26 Lex Kosowsky Current carrying structure using voltage switchable dielectric material
US7825491B2 (en) * 2005-11-22 2010-11-02 Shocking Technologies, Inc. Light-emitting device using voltage switchable dielectric material
US20100044080A1 (en) * 1999-08-27 2010-02-25 Lex Kosowsky Metal Deposition
US6453549B1 (en) * 1999-12-13 2002-09-24 International Business Machines Corporation Method of filling plated through holes
US6664482B1 (en) * 2000-05-01 2003-12-16 Hewlett-Packard Development Company, L.P. Printed circuit board having solder bridges for electronically connecting conducting pads and method of fabricating solder bridges
US6678952B2 (en) * 2000-08-03 2004-01-20 Tessera, Inc. Method of making a microelectronic package including a component having conductive elements on a top side and a bottom side thereof
US7140531B2 (en) * 2003-09-03 2006-11-28 Hewlett-Packard Development Company, L.P. Method of fabricating a substantially zero signal degradation electrical connection on a printed circuit broad
JP4387269B2 (ja) * 2004-08-23 2009-12-16 株式会社テクニスコ ビアが形成されたガラス基板及びビアの形成方法
US20060213957A1 (en) * 2005-03-26 2006-09-28 Addington Cary G Conductive trace formation via wicking action
US20060272850A1 (en) * 2005-06-06 2006-12-07 Matsushita Electric Industrial Co., Ltd. Interlayer connection conductor and manufacturing method thereof
KR20080084812A (ko) 2005-11-22 2008-09-19 쇼킹 테크놀로지스 인코포레이티드 과전압 보호를 위해 전압 변환가능 재료를 포함하는 반도체디바이스
US20100264224A1 (en) * 2005-11-22 2010-10-21 Lex Kosowsky Wireless communication device using voltage switchable dielectric material
US20080029405A1 (en) * 2006-07-29 2008-02-07 Lex Kosowsky Voltage switchable dielectric material having conductive or semi-conductive organic material
US20080032049A1 (en) * 2006-07-29 2008-02-07 Lex Kosowsky Voltage switchable dielectric material having high aspect ratio particles
US7981325B2 (en) * 2006-07-29 2011-07-19 Shocking Technologies, Inc. Electronic device for voltage switchable dielectric material having high aspect ratio particles
EP2084748A4 (de) 2006-09-24 2011-09-28 Shocking Technologies Inc Formulierungen für ein spannungsumschaltbares dielektrisches material mit einem abgestuften spannungsansprechverhalten und herstellungsverfahren dafür
US20120119168A9 (en) * 2006-11-21 2012-05-17 Robert Fleming Voltage switchable dielectric materials with low band gap polymer binder or composite
US7793236B2 (en) * 2007-06-13 2010-09-07 Shocking Technologies, Inc. System and method for including protective voltage switchable dielectric material in the design or simulation of substrate devices
US8206614B2 (en) * 2008-01-18 2012-06-26 Shocking Technologies, Inc. Voltage switchable dielectric material having bonded particle constituents
US8203421B2 (en) * 2008-04-14 2012-06-19 Shocking Technologies, Inc. Substrate device or package using embedded layer of voltage switchable dielectric material in a vertical switching configuration
US20100047535A1 (en) * 2008-08-22 2010-02-25 Lex Kosowsky Core layer structure having voltage switchable dielectric material
WO2010033635A1 (en) * 2008-09-17 2010-03-25 Shocking Technologies, Inc. Voltage switchable dielectric material containing boron compound
US9208931B2 (en) * 2008-09-30 2015-12-08 Littelfuse, Inc. Voltage switchable dielectric material containing conductor-on-conductor core shelled particles
US9208930B2 (en) * 2008-09-30 2015-12-08 Littelfuse, Inc. Voltage switchable dielectric material containing conductive core shelled particles
US8362871B2 (en) * 2008-11-05 2013-01-29 Shocking Technologies, Inc. Geometric and electric field considerations for including transient protective material in substrate devices
US9226391B2 (en) 2009-01-27 2015-12-29 Littelfuse, Inc. Substrates having voltage switchable dielectric materials
US8399773B2 (en) 2009-01-27 2013-03-19 Shocking Technologies, Inc. Substrates having voltage switchable dielectric materials
US8272123B2 (en) 2009-01-27 2012-09-25 Shocking Technologies, Inc. Substrates having voltage switchable dielectric materials
CN102550132A (zh) 2009-03-26 2012-07-04 肖克科技有限公司 具有电压可切换电介质材料的元件
US9053844B2 (en) * 2009-09-09 2015-06-09 Littelfuse, Inc. Geometric configuration or alignment of protective material in a gap structure for electrical devices
US20110198544A1 (en) * 2010-02-18 2011-08-18 Lex Kosowsky EMI Voltage Switchable Dielectric Materials Having Nanophase Materials
US9082622B2 (en) 2010-02-26 2015-07-14 Littelfuse, Inc. Circuit elements comprising ferroic materials
US9224728B2 (en) * 2010-02-26 2015-12-29 Littelfuse, Inc. Embedded protection against spurious electrical events
US9320135B2 (en) * 2010-02-26 2016-04-19 Littelfuse, Inc. Electric discharge protection for surface mounted and embedded components
KR102046006B1 (ko) 2016-06-07 2019-11-18 주식회사 엘지화학 일반 인쇄회로기판을 활용한 고전류 전송 방법
WO2018020640A1 (ja) * 2016-07-28 2018-02-01 三菱電機株式会社 半導体装置
CN113133223B (zh) * 2021-04-14 2022-02-08 电子科技大学 一种印制电路板半塞孔的制作方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354260A (en) * 1966-07-18 1967-11-21 Western Electric Co Through-connectors for circuit boards and method of applying same
US3452149A (en) * 1967-10-30 1969-06-24 Fred J Rinaldi Flexible electrical connector
DE1540249A1 (de) * 1965-12-24 1970-01-08 Nordmende Leiterplatte fuer in mehreren Ebenen uebereinanderliegend angeordnete einzelne Schaltungsabschnitte
FR2106903A5 (de) * 1970-09-29 1972-05-05 Telecommunications Sa
US3888639A (en) * 1974-01-02 1975-06-10 Teledyne Electro Mechanisms Method for connecting printed circuits
DE2813160A1 (de) * 1977-04-01 1978-10-12 Robotron Veb K Anordnung zur durchkontaktierung von leiterplatten

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969819C (de) * 1954-10-16 1958-07-24 Blaupunkt Werke Gmbh Isolierplatte mit ein- oder beidseitig aufgebrachten zweidimensionalen, gedruckten Schaltungen und mehreren durch Tauchloetung hergestellten Loetstellen
US2902629A (en) * 1954-11-22 1959-09-01 Ibm Printed circuit connection and method of making same
US3159906A (en) * 1957-05-27 1964-12-08 Gen Electric Electric circuit assembly method
US3184830A (en) * 1961-08-01 1965-05-25 Weldon V Lane Multilayer printed circuit board fabrication technique
US3500538A (en) * 1966-08-29 1970-03-17 Gen Electric Method for producing a wire having improved soldering characteristics
DE2326170A1 (de) * 1973-05-23 1974-12-12 Bosch Gmbh Robert Einrichtung zum kontaktieren von leiterbahnen auf gedruckten leiterplatten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1540249A1 (de) * 1965-12-24 1970-01-08 Nordmende Leiterplatte fuer in mehreren Ebenen uebereinanderliegend angeordnete einzelne Schaltungsabschnitte
US3354260A (en) * 1966-07-18 1967-11-21 Western Electric Co Through-connectors for circuit boards and method of applying same
US3452149A (en) * 1967-10-30 1969-06-24 Fred J Rinaldi Flexible electrical connector
FR2106903A5 (de) * 1970-09-29 1972-05-05 Telecommunications Sa
US3888639A (en) * 1974-01-02 1975-06-10 Teledyne Electro Mechanisms Method for connecting printed circuits
DE2813160A1 (de) * 1977-04-01 1978-10-12 Robotron Veb K Anordnung zur durchkontaktierung von leiterplatten

Also Published As

Publication number Publication date
EP0568313A2 (de) 1993-11-03
US5404637A (en) 1995-04-11

Similar Documents

Publication Publication Date Title
TW230192B (de)
KR100306510B1 (de)
DK0553875T3 (de)
DK0551248T3 (de)
TW231307B (de)
BR9304651A (de)
TW245762B (de)
TW234085B (de)
BR9207065A (de)
DK0553681T3 (de)
DK0581129T3 (de)
DK0576346T3 (de)
TW281652B (de)
DK0571874T3 (de)
KR920704134A (de)
EP0561317A3 (de)
TW218431B (de)
DK0576097T3 (de)
BR9202713C1 (de)
DK0559942T3 (de)
DE9207553U1 (de)
AU631518B2 (de)
AU632452B2 (de)
IN180806B (de)
BRPI9204323A2 (de)

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19930506

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE DE ES FR GB IT NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE DE ES FR GB IT NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19940701

R18W Application withdrawn (corrected)

Effective date: 19940701